Marty Markowitz, Borough President of Brooklyn, New York City, stops by Al Attara’s building at 33 Flatbush Ave, Brooklyn, New York the headquarters of www.goodnewsplanet.com Brooklyn is the most populous borough in New York City with nearly 2.6 million residents. Markowitz was first elected borough president in 2001 after serving 23 years as a New York State Senator. His third term began in January, 2010.